CN102473875A - Battery pack case and method for manufacturing same, and battery pack and method for manufacturing same - Google Patents

Battery pack case and method for manufacturing same, and battery pack and method for manufacturing same Download PDF

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Publication number
CN102473875A
CN102473875A CN2010800325319A CN201080032531A CN102473875A CN 102473875 A CN102473875 A CN 102473875A CN 2010800325319 A CN2010800325319 A CN 2010800325319A CN 201080032531 A CN201080032531 A CN 201080032531A CN 102473875 A CN102473875 A CN 102473875A
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CN
China
Prior art keywords
housing
resin
resin portion
formation portion
battery component
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN2010800325319A
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Chinese (zh)
Other versions
CN102473875B (en
Inventor
武村克
田川节男
大田晋志
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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Filing date
Publication date
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Publication of CN102473875A publication Critical patent/CN102473875A/en
Application granted granted Critical
Publication of CN102473875B publication Critical patent/CN102473875B/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/0017—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor moulding interconnected elements which are movable with respect to one another, e.g. chains or hinges
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
    • H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
    • H01M50/213—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for cells having curved cross-section, e.g. round or elliptic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/0053—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor combined with a final operation, e.g. shaping
    • B29C45/006—Joining parts moulded in separate cavities
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/0081—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor of objects with parts connected by a thin section, e.g. hinge, tear line
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14778—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the article consisting of a material with particular properties, e.g. porous, brittle
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/218—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the material
    • H01M50/22—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the material of the casings or racks
    • H01M50/227—Organic material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/233—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
    • H01M50/24—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries from their environment, e.g. from corrosion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2069/00—Use of PC, i.e. polycarbonates or derivatives thereof, as moulding material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/0005—Condition, form or state of moulded material or of the material to be shaped containing compounding ingredients
    • B29K2105/0026—Flame proofing or flame retarding agents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0012—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds having particular thermal properties
    • B29K2995/0016—Non-flammable or resistant to heat
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/712—Containers; Packaging elements or accessories, Packages
    • B29L2031/7146—Battery-cases
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/284—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with incorporated circuit boards, e.g. printed circuit boards [PCB]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Battery Mounting, Suspending (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)

Abstract

Provided is a battery pack case, the thin-wall portion of which can be formed while ensuring flame-resistance and the shape of which is not restricted. The battery pack case comprises a first case constituting part (21) and a second case constituting part (22) having a region coupled to the first case constituting part (21). The first case constituting part (21) and the second case constituting part (22) are coupled to each other, thereby forming a space in which a battery is housed. The first case constituting part (21) and the second case constituting part (22) each comprise a first resin portion (25) formed of a flame-resistant resin film and a second resin portion (26) formed such that, while leaving a predetermined region of the first resin portion (25), a resin is integrally molded at a different region from the predetermined region of the first resin portion (25).

Description

Battery component is with housing and manufacturing approach, battery component and manufacturing approach thereof
Technical field
The present invention relates to battery component with housing, battery component manufacturing approach with manufacturing approach, battery component and the battery component of housing.
Background technology
In the past, as disclosed in following patent documentation 1 and the patent documentation 2, used housing, comprised that the battery component of the resulting synthetic resin of ejection formation (injection-molding) resin used housing for known as battery component.Battery component through ejection formation forms is used housing, needs the thickness about 0.8mm in order to ensure the anti-flammability (fire retardancy) of UL (Underwriters Laboratories Inc.) 94 defineds.On the other hand, in following patent documentation 3, disclosing a kind of is that resin film-making material about 0.2mm is put into and carried out the battery component that cooling curing forms after shaping mould (molding die) moulding with rectangular box-shaped depressed part and use housing with thickness.The thickness that this battery component uses housing as 0.2mm about, thinner than ejection formed piece.
But, sheet material is being put under the situation of shaping mould moulding the problem that exists battery component to be restricted with the shape of housing.Promptly; When sheet material is put into the shaping mould moulding, owing to only can realize making the moulding of the crooked degree of sheet material, so even complicated a little shape also is difficult to moulding; And can not adapt to and change requirements such as thickness according to the position, thereby the problem that exists the shape of housing to be restricted.
Therefore, the present invention in view of the above-mentioned problems, its purpose is to provide a kind of battery component to use housing, can guarantee that anti-flammability can form thinner wall section again, and the shape of housing is unrestricted.
Patent documentation 1: Japan Patent open communique spy open 2001-58332 number
Patent documentation 2: Japan Patent open communique spy open 2003-249771 number
Patent documentation 3: Japan Patent open communique spy open 2003-197168 number
Summary of the invention
Battery component provided by the present invention is used housing, comprising: the 1st resin portion that adopts the flame retardant resin film; And reserve the appointed part of said the 1st resin portion, with resin and integrated the 2nd resin portion of the 1st resin portion.
The present invention also provides a kind of battery component, comprising: above-mentioned battery component is with housing and be housed in said battery component with the battery in the housing.
The present invention also provides the manufacturing approach of a kind of battery component with housing, comprising: the operation that is provided with of not staying the gap between appointed part and the die cavity inner face that resin molding makes said resin molding is set in the die cavity of shaping mould; And the ejaculation resin makes this resin and the integrated molding procedure of said resin molding in the die cavity of said shaping mould.
The present invention also provides a kind of manufacturing approach of battery component, to major general's battery container with said battery component with the battery component of the manufacturing approach manufacturing of housing with housing in.
According to the present invention, can guarantee that anti-flammability can form thinner wall section again, and make battery component unrestricted with the shape of housing.
Description of drawings
Fig. 1 is the stereogram of the related battery component of expression execution mode of the present invention.
Fig. 2 is the stereogram that is illustrated in said battery component under the situation of the 2nd housing formation portion of having unloaded.
Fig. 3 is along the battery component of the III-III line of Fig. 1 cutaway view with housing.
Fig. 4 is illustrated in the figure that implements on the housing of said battery component behind the lettering.
Fig. 5 is the figure that be equivalent to Fig. 3 of the related battery component of other execution modes of the present invention with housing.
Fig. 6 is the figure that be equivalent to Fig. 3 of the related battery component of other execution modes of the present invention with housing.
Fig. 7 is the cutaway view of the related battery component of other execution modes of the present invention with housing.
Embodiment
Below, with reference to accompanying drawing an embodiment of the invention are described.
Like Fig. 1 and shown in Figure 2, the related battery component of this execution mode comprises as battery component with the packaging shell 12 of housing and be housed in the battery 14 in this housing 12.Battery 14 comprises secondary cell cylindraceous, in this execution mode, shows a plurality of (in the legend being 6) battery 14 is arranged in the situation that two row are taken in.Circuit board 16 with protective circuit etc. of battery 14 also is housed in the housing 12.Be equipped with on this circuit board 16 and be used for and outside connection terminals (figure slightly), this splicing ear exposes to the outside through the peristome (figure slightly) that is located on the housing 12.
Housing 12 is presented on as a whole and is elongated outward appearance on the direction, comprises the 1st housing formation portion 21 and the 2nd housing formation portion 22 of the receiving space that forms battery 14 through being engaged with each other.In the 1st housing formation portion 21, be provided with and be used for metal link 18 that battery 14 is electrically connected with circuit board 16 etc., can in the 1st housing formation portion 21, battery 14 and circuit board 16 be set.On the other hand, the 2nd housing formation portion 22 engages with the 1st housing formation portion 21, is arranged on battery 14 and circuit board 16 in the 1st housing formation portion 21 with covering.
The 1st housing formation portion 21 comprise clad battery 14 side face about 1/3 to about 1/2 size facial 21a of bending week and be located at the end face portion 21b at the length direction both ends of facial 21a of this week, facial 21a of this week and end face portion 21b are integral.Week, facial 21a had along the inner face of the outer peripheral face of battery 14.Particularly; In this execution mode; Since be the row that vertically form a line of 4 batteries 14, with 2 transversely arranged structures of row that battery 14 vertically forms a line, so the inner face of all facial 21a forms the shape that links at the pars intermedia of length direction along 2 concave surfaces of Width.
The 2nd housing formation portion 22 comprise clad battery 14 Zhou Fangxiang about 2/3 to about 1/2 size facial 22a of bending week and be located at the end face portion 22b at the length direction both ends of facial 22a of this week, facial 22a of this week and end face portion 22b are integral.Week, facial 22a had along the inner face of the outer peripheral face of battery 14.Particularly, the inner face of facial 22a of this week forms along the shape of 2 concave surfaces of Width in the pars intermedia binding of length direction.In addition, in the 2nd housing formation portion 22, wherein the outside of row forms bending, and the outside of the 2nd housing formation portion 22 of another row forms flat condition, but is not limited to this structure.
As shown in Figure 3, housing 12 comprises laminar the 1st resin portion 25 and and the 1st resin portion 25 integrated the 2nd resin portion 26.The 1st resin portion 25 is arranged on respectively in the 1st housing formation portion 21 and the 2nd housing formation portion 22.In addition, the 2nd resin portion 26 also is arranged on respectively in the 1st housing formation portion 21 and the 2nd housing formation portion 22.The 1st resin portion 25 is the positions that are bent moulding like the said resin molding in back, and the 2nd resin portion 26 is said by the position of ejection formation like the back.In addition, in this execution mode, the 1st resin portion 25 only is located at all facial 21a, the 22a of the 1st housing formation portion 21 and the 2nd housing formation portion 22, and still, the 1st resin portion 25 also can be located at end face portion 21b, 22b.
The 1st resin portion 25 is located at respectively in the part of Zhou Fangxiang of the 1st housing formation portion 21 and the 2nd housing formation portion 22, and the 1st resin portion 25 is arranged to constitute the part of the outer surface of housing 12.In other words, the 1st resin portion 25 is set at the peripheral part of the 1st housing formation portion 21 and the 2nd housing formation portion 22 middle shells 12.And the 2nd resin portion 26 constitutes the outer surface of housing 12 at the position that does not dispose the 1st resin portion 25, and the inboard and the 1st resin portion 25 that are located at the 1st resin portion 25 at the position that disposes the 1st resin portion 25 become one.Through making 26 moulding of the 2nd resin portion replenishing the shape of the 1st resin portion 25 like this, can housing 12 be shaped to the profile corresponding shape with battery 14.
At the position that is provided with the 1st resin portion 25, the 2nd resin portion 26 is reserved in the degree of exposing with the part of the 1st resin portion 25 inner faces under the situation of this part and is engaged with the 1st resin portion 25.Therefore, there is following position, that is, only comprises the position of the 1st resin portion 25 at all facial 21a, the 22a of housing 12; With this position different at different position and different, the 1st resin portion 25 and the 2nd resin portion 26 are positioned at the inboard range upon range of position of mode with the 2nd resin portion 26; And the position that only comprises the 2nd resin portion 26.
The 1st resin portion 25 in the 1st housing formation portion 21 and the 2nd housing formation portion 22 adopts the flame retardant resin (fire-retardant resin) of same raw materials respectively.That use in this execution mode is polycarbonate resin (polycarbonate resin).
The 2nd resin portion 26 in the 1st housing formation portion 21 and the 2nd housing formation portion 22 adopts the flame retardant resin of same raw materials respectively, and what use in this execution mode is polycarbonate resin.That is, the 1st resin portion 25 adopts identical raw material with the 2nd resin portion 26.
In addition; The 1st resin portion 25 and the 2nd resin portion 26 also can replace polycarbonate resin and adopt polyamide (polyamide resin), ABS resin resins such as (acrylonitrile-butadiene-styrene resin, acrylonitrile-butadiene-styrene resins), comprise the copolymer of these resins or the flame retardant resin of alloy.
The 1st resin portion 25 is through being that calendered film brake forming about 0.25mm forms for the shape of appointment with thickness.Because the film that rolled of this film, so to compare packed density higher with the film of ejection formation.Therefore, even only comprise the position that thickness is the polycarbonate membrane of 0.25mm, also can reach the flame-retardancy standards of defined among the UL94 in the part existence of housing 12.In addition, for the position that only has the 2nd resin portion 26 on the thickness direction, make this position guarantee the thickness of 0.75mm.Through forming so structure, satisfy the standard of UL94 as housing 12 integral body about anti-flammability.In addition, also having thickness at the range upon range of position of the 1st resin portion 25 and the 2nd resin portion 26 is the part below the 0.75mm.
The 1st resin portion 25 can be located in any range in the 1st housing formation portion 21 and the 2nd housing formation portion 22, but also can be located at according to the shape that the space is set, the size of battery component 10 in the equipment of battery-mounted assembly 10 in the scope that comprises the position that makes housing 12 realize minimal thickness.Through reserving like this behind the position that needs minimal thickness that the 2nd resin portion 26 and the 1st resin portion 25 is integrally formed, the thinner thickness of appointed part can be made, and the housing 12 of designated shape can be obtained.
In this execution mode, the 1st housing formation portion 21 and engaging of the 2nd housing formation portion 22 are each other mechanical chimeric of the 2nd resin portion 26.Particularly, 2nd resin portion 26 of the 2nd resin portion 26 of the 1st housing formation portion 21 with the 1st junction surface 31, the 2 housing formation portions 22 has the 2nd junction surface 32.
In the 1st housing formation portion 21, the both ends of the Width of the 2nd resin portion 26 form the shape that erects, and this position that erects is as the 1st junction surface 31 performance functions.The 1st junction surface 31 has through hole 31a respectively at the Width both ends.Through hole 31a is located at the appropriate location on the shell length direction.
In the 2nd housing formation portion 22, the both ends of the Width of the 2nd resin portion 26 form to the shape that extends below, and the end at the position that this is downward is as the 2nd junction surface 32 performance functions.The 2nd junction surface 32 has claw 32a, and this claw 32a is blocked only at the 1st junction surface 31 with the state of inserting the through hole 31a that leads to the 1st junction surface 31.
In addition, also can adopt the 1st junction surface 31 to have claw, the 2nd junction surface 32 has the structure of through hole.Recess also can be set replace through hole.The junction surface at the 1st junction surface 31 and the 2nd junction surface 32 is except pawl is chimeric, and it is chimeric also can to use adhesive to carry out the bonding pawl that replaces, and perhaps, also can utilize ultrasonic wave, heat etc. to fix.
The 1st resin portion 25 can adopt transparent resin molding.At this moment, even needed information or pattern are imprinted on the back side (inner face) of the 1st resin portion 25, also can distinguish (with reference to Fig. 4) from the outside.In the case, if film is arranged in the shaping mould to execute facing of lettering 35 to the inside, can realize that then lettering 35 is applied in the mode at the back side of the 1st resin portion 25.Thus, can distinguish lettering 35, also can avoid lettering 35 wearing and tearing on the other hand from the outside.
When making the battery component 10 of aforesaid structure, at first resin molding is formed the shape (forming operation, forming step) of appointment.In this operation; Resin molding is arranged in the shaping mould (figure slightly) that has with the forming surface of the shape-consistent of the 1st resin portion 25 of the 1st housing formation portion 21; And resin molding is arranged in the shaping mould that has with the forming surface of the shape-consistent of the 1st resin portion 25 of the 2nd housing formation portion 22, under this state, makes these resin moldings be solidified into the shape of appointment through heating.
Then, from these shaping moulds, take out resin molding (synthetic resin of sheet).Then, under the situation of the printing that will implement appointment to resin molding, print in the rear side of resin molding.
Then, resin molding is arranged on the 1st shaping mould (figure slightly) that is used for moulding the 1st housing formation portion 21, and resin molding is arranged on the 2nd shaping mould (figure slightly) (operation is set) that is used for moulding the 2nd housing formation portion 22.Use in this operation and have with the 1st shaping mould of the corresponding die cavity of shape (cavity) of the 1st housing formation portion 21 and have the 2nd shaping mould with the corresponding die cavity of shape of the 2nd housing formation portion 22.In the 1st shaping mould, resin molding is arranged at the position that forms the 1st resin portion 25, at this moment, the wherein one side (outside) of resin molding overlaps with the die cavity inner face of shaping mould (for example counterdie).Then, if under this state, be closed into pattern, then between the die cavity inner face of the die cavity inner face of for example patrix (the 1st mould) and counterdie (the 2nd mould), form molding space.At this moment, the die cavity inner face of patrix contacts with the part of the another side (inner face) of resin molding, and the appointed part in the resin molding inner face is covered by patrix.That is, between the die cavity inner face of the appointed part of resin molding inner face and patrix, do not form the gap.
Then, under this state, in die cavity, penetrate resin, with resin and resin molding one-body molded (molding procedure, molding step).Thus, the inner face that obtains the 1st resin portion 25 is not covered by the 2nd resin portion and at other positions and the integrally formed synthetic resin of the 2nd resin portion 26 in appointed part.Behind the resin solidification that penetrates, from shaping mould, take out synthetic resin.So, the 1st housing formation portion 21 moulding.In addition, utilize the 2nd shaping mould moulding the 2nd housing formation portion 22 in the same way.
Then, circuit board 16 and link 18 are fixed in the 1st housing formation portion 21, and battery 14 is set, the 2nd housing formation portion 22 is engaged with the 1st housing formation portion 21, accomplish battery component 10 thus through mode with these parts of clamping.
As stated, in the battery component 10 of this execution mode, the thickness of the appointed part of housing 12 is the thickness of the 1st resin portion 25.That is, under the situation that the size of battery component 10 is restricted, to limit the thickness of housing 12 sometimes, at this moment, constitute the restricted position of thickness of housing 12 by the 1st resin portion 25.In this structure, the thickness at the restricted position of thickness is thickness of resin film, even if but such thickness, also because the 1st resin portion 25 adopts the film of anti-flammabilitys, so can realize the housing 12 desired flame retarding constructions used as battery component.In addition, for the 2nd resin portion 26, the flame retarding construction of the housing 12 that can realize using through the thickness of guaranteeing appointment as battery component.In addition, owing to adopt resin and the 1st resin portion 25 integrated structures with the 2nd resin portion 26, so can adapt to the position of the immalleable shape of film of the 1st resin portion 25 through the shape of the 2nd resin portion 26.Therefore, utilize the 1st resin portion 25, can not only keep anti-flammability but also form the position of thin thickness, and can tackle the size restrictions of the housing of using as battery component 12, and, through adjusting the shape of the 2nd resin portion 26, can realize the housing 12 of different shape.
In addition, in this execution mode,,, improve as the intensity of battery component with housing 12 so can improve the engaging force of the 1st resin portion 25 and the 2nd resin portion 26 because the 1st resin portion 25 adopts identical raw material with the 2nd resin portion 26.In addition, because the 1st resin portion 25 is become by polycarbonate resin respectively with the 2nd resin portion 26, so can guarantee anti-flammability, can form thickness again is the thinner wall section about 0.25mm.
And, in this execution mode, be respectively arranged with junction surface 31,32 in the 2nd resin portion 26, and make the chimeric structure of these junction surface 31,32 machineries, so can utilize the heavy section of the 2nd resin portion 26 that the mechanical type embedded structure is set owing to be employed in.Therefore, the position of thin thickness can be set, can prevent that also the position that is used for embedded structure from increasing.
In addition, the present invention is not limited to above-mentioned execution mode, can in the scope that does not break away from its purport, carry out various changes, improvement etc.For example, also can resin molding be located in one of them of the 1st housing formation portion 21 and the 2nd housing formation portion 22.That is,, then also can be only in one of them of the 1st housing formation portion 21 and the 2nd housing formation portion 22, form the 1st resin portion 25, and in the housing formation portion 22,21 another only is made up of the 2nd resin portion 26 if thickness can have abundant housing 12.
The 1st housing formation portion 21 and engaging of the 2nd housing formation portion 22 also can be the 1st resin portion 25 and the engaging of the 2nd resin portion 26.For example, as shown in Figure 5, the end of the 1st resin portion 25 lays respectively at the two ends of the Width of the 1st housing formation portion 21.And the end of the 1st resin portion 25 is more upwards more side-prominent than the 2nd resin portion 26.Position that should be outstanding is as the 1st junction surface 31 performance functions.In addition, be formed with maintaining part 41 respectively at the Width both ends of the 2nd resin portion 26, this maintaining part 41 be clamped in the 2nd resin portion 26 the 2nd housing formation portion 22 and the 1st junction surface 31 between state keep the 2nd housing formation portion 22.The end of the Width of the 2nd housing formation portion 22 only is made up of the 2nd resin portion 26.And this position forms can insert the shape between maintaining part 41 and the 1st junction surface 31.The 2nd junction surface 32 performance functions that this position conduct engages with the 1st junction surface 31.Can be through being pressed into of the 2nd junction surface 32, perhaps through bonding between the 1st resin portion 25 and the 2nd resin portion 26, perhaps through utilizing ultrasonic wave or hot to fix to realize engaging of the 1st junction surface 31 and the 2nd junction surface 32 with adhesive.Thus, can prevent that connected structure from becoming complicated shape, thereby can improve mouldability.
The 1st housing formation portion 21 and engaging of the 2nd housing formation portion 22 also can be the 1st resin portion 25 and the engaging of the 1st resin portion 25.For example, housing 12 shown in Figure 6 has the position that the 1st resin portion 25 of the 1st resin portion 25 and the 2nd housing formation portion 22 of the 1st housing formation portion 21 overlaps each other.And, at the position that these the 1st resin portion 25,25 overlap each other, can use bonding two resin portion 25,25 of adhesive, perhaps utilize ultrasonic wave or heat to fix.Thus, can prevent that connected structure from becoming complicated shape, thereby can improve mouldability.At this moment, also can fix the 2nd resin portion 26 of the 1st housing formation portion 21 and the 2nd resin portion 26 of the 2nd housing formation portion 22 through being pressed into etc.
In above-mentioned execution mode, the 1st housing formation portion 21 and 22 moulding individually respectively of the 2nd housing formation portion are engaged then, but are not limited thereto.For example, also can be as shown in Figure 7, under the 1st housing formation portion 21 and state that the 2nd housing formation portion 22 engages through hinge 43, make 21,22 moulding of the 1st and the 2nd housing formation portion.At this moment, be used for integrally formed shaping mould (figure slightly) with the 1st housing formation portion 21 and the 2nd housing formation portion 22.
Fig. 7 is illustrated in the section of the housing 12 of the outward appearance that is rectangular box-shaped under the closed condition, in this housing 12, is provided with battery 14 cylindraceous.In this housing 12, the 2nd resin portion 26 of the 2nd resin portion 26 of the 1st housing formation portion 21 and the 2nd housing formation portion 22 is by divisional plane (composition surface) separated into two parts along diagonal.And; A corner position at rectangle; Constitute portion 22 and extend the 1st resin portion 25 that is provided with and constitute hinge 43 by constitute portion's 21 to the 2nd housings from the 1st housing; In the position of the drift angle that is positioned at its diagonal position, be formed with the 1st junction surface 31 and the 2nd junction surface 32 that are used to the 1st housing formation portion 21 that engages and the 2nd housing formation portion 22.The 1st junction surface 31 possesses recess 31b, and the 2nd junction surface 32 possesses the claw 32b that is entrenched among the recess 31b.In addition, also can be that the 1st junction surface 31 possesses claw, the 2nd junction surface 32 possesses recess.
It is continuous that the 1st resin portion 25 is set as the peripheral part on three limits in rectangle four limits.That is, an end of the 1st resin portion 25 is arranged near the diagonal position of hinge 43 of the 1st housing formation portion 21, and the other end is positioned at the substantial middle portion of the Width of the 2nd housing formation portion 22.Exist in three limits of the 1st resin portion 25, have the position that only is made up of the 1st resin portion 25 respectively, at these positions, the thickness of the 1st housing formation portion 21 and the 2nd housing formation portion is about 0.25mm.Do not exist the another side of the 1st resin portion 25 only to be made up of the 2nd resin portion 26, the thickness of this 2nd housing formation portion on one side is about 0.75mm in the thinnest position.
When making the housing 12 of this structure, at first, resin molding is shaped to the shape of appointment, then, this resin molding is arranged in the die cavity of shaping mould and resin ejection formed.Because this shaping mould has the die cavity of the shape of the 1st housing formation portion 21 and 22 bindings of the 2nd housing formation portion, so can make the 1st and the 2nd housing formation portion 22 disposal moldings.
In addition, three faces at rectangle shown in Fig. 7 have disposed the 1st resin portion 25, but are not limited thereto.For example, also can dispose the 1st resin portion 25 respectively at four faces of rectangle.At this moment, can the thinner wall section that only is made up of the 1st resin portion 25 be set respectively at four faces.In addition, also can be only in one of them of housing formation portion 21,22, the 1st resin portion 25 be set.At this moment, hinge 43 also can be made up of the 2nd resin portion 26.In addition, outward appearance is not limited to rectangular section shape.Also can there be the shape of matching battery 14 and forms forniciform position outside.
In addition, mainly comprise invention in the above-mentioned embodiment with following structure.
Battery component provided by the present invention comprises with housing: adopt the flame retardant resin film and the 1st resin portion that constitutes; And reserve the appointed part of said the 1st resin portion, with resin and integrated the 2nd resin portion of the 1st resin portion.
In the present invention, the thickness of the appointed part of housing is the thickness of the 1st resin portion.That is, under the situation that the size of battery component is restricted, will limit the thickness of housing sometimes, at this moment, the 1st resin portion constitutes the restricted position of thickness of housing.In this structure, the thickness at the restricted position of thickness is the thickness of film, even but such thickness, also because the 1st resin portion adopts the film of anti-flammability, so can realize as battery component with the desired flame retarding construction of housing.In addition, for the 2nd resin portion, can realize as the flame retarding construction of battery component through the thickness of guaranteeing appointment with housing.In addition, owing to adopt resin and the integrated structure of the 1st resin portion with the 2nd resin portion, so can adapt to the position of the immalleable shape of film of the 1st resin portion through the shape of the 2nd resin portion.Therefore, utilize the 1st resin portion, can not only keep anti-flammability but also form the position of thin thickness, and can tackle as the size restrictions of battery component with housing, and, through adjusting the shape of the 2nd resin portion, can realize that the battery component of different shape is used housing.
, comparatively it is desirable to, the resin that forms said the 2nd resin portion adopts the raw material identical with the resin molding of said the 1st resin portion here.According to this structure,,, improve as the intensity of battery component with housing so can improve the engaging force of the 1st resin portion and the 2nd resin portion because the 1st resin portion adopts identical raw material with the 2nd resin portion.
In addition, said the 2nd resin portion and said the 1st resin portion all can adopt polycarbonate resin.According to this structure, can guarantee anti-flammability, can form thickness again is the thinner wall section about 0.25mm.
Under the transparent situation of said resin molding, also can impose lettering at the back side of said resin molding.According to this structure, can distinguish lettering from the outside, can avoid wearing and tearing on the other hand.
Battery component provided by the present invention comprises the 1st housing formation portion with housing and has the 2nd housing formation portion at the position that engages with the 1st housing formation portion; Being engaged with each other of said the 1st housing formation portion and said the 2nd housing formation portion forms the battery outer space; In the case, said the 1st resin portion be located at said the 1st housing formation portion and said the 2nd housing formation portion at least its one of in get final product.
In this structure; Can be that said the 2nd resin portion is located at said the 1st housing formation portion and said the 2nd housing formation portion respectively; The 2nd resin portion of said the 1st housing formation portion has the 1st junction surface, and the 2nd resin portion of said the 2nd housing formation portion has and the 2nd chimeric junction surface of machinery, the 1st junction surface.According to this structure,,, can prevent that again the position that is used for embedded structure from increasing so the position of thin thickness can be set owing to can utilize the heavy section of the 2nd resin portion that the mechanical type embedded structure is set.
And; Can be that said the 1st resin portion and said the 2nd resin portion are located at respectively in said the 1st housing formation portion and said the 2nd housing formation portion; In the case, the 2nd resin portion of the 1st resin portion of said the 1st housing formation portion and said the 2nd housing formation portion is engaged with each other.According to this structure, can be through realize engaging of the 1st resin portion and the 2nd resin portion can preventing that connected structure from becoming the shape of complicacy based on adhesive or heat bonding.Therefore, can improve mouldability.
And, can be that said the 1st resin portion is located at respectively in said the 1st housing formation portion and said the 2nd housing formation portion, in the case, the 1st resin portion of the 1st resin portion of said the 1st housing formation portion and said the 2nd housing formation portion is engaged with each other.According to this structure, can be through realize being engaged with each other of the 1st resin portion can preventing that connected structure from becoming complicated shape based on adhesive, ultrasonic wave or heat bonding.Therefore, can improve mouldability.
And, can be that said the 1st resin portion is striden said the 1st housing formation portion to said the 2nd housing formation portion and being provided with, in the case, said the 1st resin portion that links said the 1st housing formation portion and said the 2nd housing formation portion plays a role as hinge.According to this structure,, use housing so can obtain the integrated battery component of the 1st housing formation portion and the 2nd housing formation portion because the 1st resin portion that the resin molding by thin thickness is constituted plays a role as hinge.
Battery component provided by the present invention comprises: above-mentioned battery component is with housing and be housed in said battery component with the battery in the housing.
Battery component provided by the present invention comprises with the manufacturing approach of housing: the operation that is provided with of not staying the gap between appointed part and the die cavity inner face that resin molding makes this resin molding is set in the die cavity of shaping mould; And the ejaculation resin makes this resin and the integrated molding procedure of said resin molding in the die cavity of said shaping mould.
Above-mentioned manufacturing approach can also comprise the formation operation that resin molding is formed designated shape, is provided with in the operation said, and the resin molding that will in said formation operation, form designated shape is arranged in the said shaping mould.
The manufacturing approach of battery component provided by the present invention, to major general's battery container by said battery component with the battery component of the manufacturing approach manufacturing of housing with housing in.
Utilizability on the industry
As stated, according to the present invention, can guarantee that anti-flammability can form thinner wall section again, and make battery component unrestricted with the shape of housing.
Symbol description:
14 batteries
21 the 1st housing formation portions
21a week is facial
The 21b end face portion
22 the 2nd housing formation portions
22a week is facial
The 22b end face portion
25 the 1st resin portion
26 the 2nd resin portion
31 the 1st junction surfaces
32 the 2nd junction surfaces
35 letterings
43 hinges

Claims (13)

1. a battery component is used housing, it is characterized in that comprising:
The 1st resin portion that adopts the flame retardant resin film and constitute; And
Reserve the appointed part of said the 1st resin portion, with resin and integrated the 2nd resin portion of the 1st resin portion.
2. battery component according to claim 1 is used housing, it is characterized in that: the resin that constitutes said the 2nd resin portion adopts the raw material identical with the resin molding of said the 1st resin portion.
3. battery component according to claim 2 is used housing, it is characterized in that: said the 2nd resin portion and said the 1st resin portion all adopt polycarbonate resin and constitute.
4. use housing according to each described battery component in the claim 1 to 3, it is characterized in that:
Said resin molding is transparent,
The back side at said resin molding imposes lettering.
5. use housing according to each described battery component in the claim 1 to 4, it is characterized in that also comprising:
The 1st housing formation portion; And
The 2nd housing formation portion with the position that engages with said the 1st housing formation portion, wherein,
Said the 1st housing formation portion and said the 2nd housing formation portion are engaged with each other and form the space of taking in battery,
Said the 1st resin portion is located at least in one of them of said the 1st housing formation portion and said the 2nd housing formation portion.
6. battery component according to claim 5 is used housing, it is characterized in that:
Said the 2nd resin portion is located at said the 1st housing formation portion and said the 2nd housing formation portion respectively,
The 2nd resin portion of said the 1st housing formation portion has the 1st junction surface,
The 2nd resin portion of said the 2nd housing formation portion has and the 2nd chimeric junction surface of machinery, the 1st junction surface.
7. battery component according to claim 5 is used housing, it is characterized in that:
Said the 1st resin portion and said the 2nd resin portion are located at said the 1st housing formation portion and said the 2nd housing formation portion respectively,
The 2nd resin portion of the 1st resin portion of said the 1st housing formation portion and said the 2nd housing formation portion is engaged with each other.
8. battery component according to claim 5 is used housing, it is characterized in that:
Said the 1st resin portion is located at said the 1st housing formation portion and said the 2nd housing formation portion respectively,
The 1st resin portion of the 1st resin portion of said the 1st housing formation portion and said the 2nd housing formation portion is engaged with each other.
9. use housing according to each described battery component in the claim 5 to 8, it is characterized in that:
Said the 1st resin portion is striden said the 1st housing formation portion to said the 2nd housing formation portion and is provided with,
Said the 1st resin portion that links said the 1st housing formation portion and said the 2nd housing formation portion plays a role as hinge.
10. battery component is characterized in that comprising:
Use housing like each described battery component in the claim 1 to 9; And
Be housed in said battery component with the battery in the housing.
11. a battery component is characterized in that comprising with the manufacturing approach of housing:
The operation that is provided with of not staying the gap between appointed part and the die cavity inner face that resin molding makes said resin molding is set in the die cavity of shaping mould; And
In the die cavity of said shaping mould, penetrate resin and make this resin and the integrated molding procedure of said resin molding.
12. battery component according to claim 11 with the manufacturing approach of housing, is characterized in that comprising: resin molding is formed the formation operation of designated shape, wherein,
Be provided with in the operation said, will be arranged in the said shaping mould at the resin molding that said formation operation has formed designated shape.
13. the manufacturing approach of a battery component is characterized in that:
To major general's battery container by claim 11 or 12 described battery components with the battery component of the manufacturing approach manufacturing of housing with housing in.
CN201080032531.9A 2009-07-31 2010-07-20 Battery pack case and method for manufacturing same, and battery pack and method for manufacturing same Active CN102473875B (en)

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KR101318472B1 (en) 2013-10-16
JP5063646B2 (en) 2012-10-31
CN102473875B (en) 2014-04-16
EP2442381A4 (en) 2012-08-22
KR20120025614A (en) 2012-03-15
US20120121969A1 (en) 2012-05-17
WO2011013327A1 (en) 2011-02-03
JP2011034763A (en) 2011-02-17
EP2442381A1 (en) 2012-04-18

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